This page provides a detailed comparison of the specifications for the David Brown 1690 and the Ford 6640.
| David Brown 1690 | Ford 6640 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | J.I. Case | Ford |
| Engine Model | - | Genesis |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Naturally aspirated | Natural Aspiration |
| Engine Cylinders | 6 | 4 |
| Engine Displacement Value | 329 ci (5.4 L) | 304 ci (5.0 L) |
| Engine Rated Rpm | 2200 | 2200 |
| Engine Power Output Value | 90 hp (67.1 kW) | 91 hp (67.6 kW) |
| Transmission | ||
| Transmission Type | Synchromesh with hydraulic dry disc clutch | - |
| Transmission Forward Gears | 12 | - |
| Transmission Reverse Gears | 4 | - |
| Dimensions | ||
| Length Value | - | 161.8 |
| Operating Weight Value | 8755 lb (3971 kg) | 8135 lb (3690 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | - |
| Drive Type | 2WD | - |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | II | II |
| Hydraulic System Type | Open Center | Open center |
| Operator Station Type | Two-post ROPS or Cab (optional) | Two-post foldable ROPS |
| Starter Type | Electric | Electric |
